 <!--  <div class="container-fluid"></div> -->
 <nav class="navbar navbar-default navbar-fixed-top">

  <!-- Brand and toggle get grouped for better mobile display -->
  <div class="navbar-header">
    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
      <span class="sr-only">Toggle navigation</span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    <a class="navbar-brand" href="#">CP-BLOG</a>
  </div>

  <!-- Collect the nav links, forms, and other content for toggling -->
  <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
   <ul class="nav navbar-nav">
    <li><a href="{:url('index/index')}">首页<span class="sr-only">(current)</span></a></li>
    <li><a href="{:url('index/php')}">PHP</a></li>
    <li><a href="{:url('index/linux')}">LINUX</a></li>
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Others <span class="caret"></span></a>
      <ul class="dropdown-menu">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">Separated link</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">One more separated link</a></li>
      </ul>
    </li>
  </ul> 
  <ul class="nav navbar-nav navbar-right">
    <li><a href="#">登录</a></li>
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">关于<span class="caret"></span></a>
      <ul class="dropdown-menu">
        <li><a href="#">邮箱投稿</a></li>
        <li><a href="#">关于本站</a></li>
        <li><a href="#">关于作者</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">其他</a></li>
      </ul>
    </li>
  </ul>
  <form class="navbar-form navbar-right">
    <div class="form-group">
      <input type="text" class="form-control" placeholder="输入搜索内容">
    </div>
    <button type="submit" class="btn btn-default">搜索</button>
  </form>

</div><!-- /.navbar-collapse -->
</nav>
<div class="col-sm-12" style="height:60px;">
 <!-- 抵消header navbar-fixed-top -->
</div>

